Volcanologist Professor Chris Jackson discovers evidence of the deadly pyroclastic flow.

But the defining event of Monday’s eruption was the more rare pyroclastic flow from the southwestern crater not visible from a distance.

But the defining event of Monday’s eruption was the more rare pyroclastic flow from the southwestern crater not visible from a distance.

A lava flow was spotted by satellites winding down the flanks of Mount Etna during an explosive outburst on June 2, which also released a large pyroclastic flow in the opposite direction. | Credit ...

Pyroclastic density current (PDC): A turbulent, high-density flow composed of volcanic ash, lapilli and gases that descends rapidly along a volcano’s slope following an eruption.

In the Philippines, Mayon is erupting spectacularly, creating a lava flow that stretches over 3 kilometers (2 miles) from the crater, 600-meter lava fountains, pyroclastic flows that followed gullies ...

A volcanic eruption in Italy left people scurrying for cover from what officials are saying is a pyroclastic flow. Several videos circulating online show people running as smoke from the side of ...

The most recent pyroclastic flows with significant reach were recorded on Feb. 10, 2022, Oct. 23, 2021, Dec. 13, 2020, and Feb. 11, 2014, Marco Viccaro, president of Italy's national volcanology ...

The most recent pyroclastic flows with significant reach were recorded on Feb. 10, 2022, Oct. 23, 2021, Dec. 13, 2020, and Feb. 11, 2014, Marco Viccaro, president of Italy's national volcanology ...

The most recent pyroclastic flows with significant reach were recorded on Feb. 10, 2022, Oct. 23, 2021, Dec. 13, 2020, and Feb. 11, 2014, Marco Viccaro, president of Italy's national volcanology ...

The most recent pyroclastic flows with significant reach were recorded on Feb. 10, 2022, Oct. 23, 2021, Dec. 13, 2020, and Feb. 11, 2014, Marco Viccaro, president of Italy's national volcanology ...